Finding the Fourth Proportional to 112,301.40, 154,989.18 and 64,556.76

Step by Step Solution

1. Step 1: Write the proportion equation
   112,301.40 : 154,989.18 = 64,556.76 : x
2. Step 2: Convert to fraction form
   112,301.40/154,989.18 = 64,556.76/x
3. Step 3: Cross multiply
   112,301.40x = 154,989.18 × 64,556.76
4. Step 4: Simplify right side
   112,301.40x = 10,005,599,295.86
5. Step 5: Solve for x
   x = 10,005,599,295.86/112,301.40
6. Step 6: Final answer
   x = 89,095.94